SubX Player – Dual Subtitles

Learn languages naturally via immersion. Video player with bilingual subtitles.

SubX is a dual-subtitle media player designed for immersive language learning on Android.
Learn from real movies and shows using two subtitles at once, instant translation, and smart playback tools.

Play local videos and audio, stream online media or podcasts, or cast to your TV — and learn from real native content using tools designed for shadowing, repetition, and sentence mining.


🎬 Core Features

• Play Any Format – Supports MKV, MP4, AVI, MOV, M3U/M3U8, MP3, WAV, FLAC and more.

• Subtitle Format Support – Supports SRT, WebVTT (VTT), LRC, and more for video and audio playback.

• Dual Subtitles (Bilingual Subtitles) – Display two subtitle tracks simultaneously to understand meaning in context, compare translations, and stay immersed without interrupting playback.

• Subtitle List View – Browse all subtitle lines in a clean, scrollable list for quick navigation, sentence mining, and focused study.

• Subtitle Styling – Adjust subtitle font, color, size, timing, and position for perfect readability.

• Automatic Media Detection – SubX scans your device for videos, audio, and subtitle files to build your library instantly.

• Online Streaming – Stream videos from URLs with history, favorites, and renaming options.

• Gesture Controls – Swipe to seek, change brightness, or adjust volume easily.

• Keyboard Shortcuts – Full external keyboard support for fast playback and subtitle control.

• Background Playback – Keep listening even when your screen is off.

• Customizable Interface – Personalize your player layout, controls, gestures, and subtitles.

• Casting Support – Cast local and online videos to your TV with full subtitle control, including dual-subtitle support.

• Subtitle Gestures – Use pinch gestures to resize subtitles and vertical drag to reposition them on screen.

• Practice Mode (YouTube) – Learn through curated YouTube videos with dual subtitles for listening and shadowing, organized by level and topic.

• SubX Clip – Create short video clips from the current subtitle with burned-in text, ready for sharing on social media.


💎 SubX+ Premium Features

• Subtitle Track Translation – Translate full subtitle files instantly. Offline translation supports 60+ languages, while online translation supports virtually any language.

• Seek by Subtitle – Navigate videos by dialogue instead of timestamps, making it easy to repeat lines, study phrases, and collect sentences for study.

• Auto Pause – Automatically pause at each subtitle line for shadowing practice, listening drills, and immersive repetition.

• Auto Skip – Skip empty or silent lines for smoother learning flow.

• Auto Repeat – Repeat lines with customizable delay and loop count for better comprehension.

• Selectable Text – Tap any word or line to copy, translate, or save instantly.

• Anki Export – Create Anki flashcards from subtitle lines with optional audio from the exact timestamp.

• Subtitle Editing – Edit subtitle text and fix timing for individual lines or entire subtitle files directly inside the player.

• Subtitle Export – Export edited, translated, or cached subtitles in SRT, VTT, TXT, or PDF formats for sharing or offline use.

• Ad-Free Experience – Enjoy distraction-free viewing and learning with zero ads anywhere in the app.


🧠 Why SubX?

SubX turns movies, shows, podcasts, and personal media into a powerful language immersion environment.
Watch, listen, repeat, translate, and save phrases directly from real content — the same way people naturally experience language.


⚠️ Important Note

SubX does not automatically generate subtitles from videos at this time.
This design ensures accuracy, full control, and a better learning experience.


🎯 Who SubX Is For

SubX is designed for language learners who practice immersion, shadowing, and sentence mining using real media and subtitles.


⭐ Download SubX and turn movies, shows, and podcasts into your personal language immersion player.